CN-121996071-A - Interactive touch sensing and electric stimulation output system for conductive interface

CN121996071ACN 121996071 ACN121996071 ACN 121996071ACN-121996071-A

Abstract

The invention discloses an interactive touch sensing and electric stimulation output system for a conductive interface, which comprises a first linear conductive unit and a second linear conductive unit which are arranged in a transverse and longitudinal staggered mode, wherein the two linear conductive units form a layered grid structure in an alternating arrangement mode through insulating linear units, the end parts of the first linear conductive unit and the second linear conductive unit are connected with an electric state detection circuit and a high-voltage constant-current power supply, the electric state detection circuit and the high-voltage constant-current power supply are connected with a controller, the high-voltage constant-current power supply is used for providing power for the first linear conductive unit and the second linear conductive unit, the electric state detection circuit is used for acquiring electric signal changes of the first linear conductive unit and the second linear conductive unit, and the controller is used for controlling the high-voltage constant-current power supply to output current to the first linear conductive unit and the second linear conductive unit to generate electric stimulation based on electric signal change information.

Inventors

ZHENG QINGYUN
Liu Ruidai

Assignees

上海拓境未来智能科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260123

Claims (10)

1. An interactive touch-sensitive and electrical stimulation output system for a conductive interface, comprising: The first linear conductive units (11) and the second linear conductive units (12) are distributed vertically and horizontally, the first linear conductive units (11), the second linear conductive units (12) and the insulating linear units (13) form a conductive layered grid structure (1) in an alternating arrangement mode, and the first linear conductive units (11) and the second linear conductive units (12) are always not contacted with each other through the arranged insulating linear units (13); wherein the first linear conductive element (11) and the second linear conductive element (12) constitute a sensing element for transmitting electrical signals, the insulating linear unit (13) being for structural support and electrical isolation; the ends of the first linear conductive unit (11) and the second linear conductive unit (12) are connected with an electrical state detection circuit (23) and a high-voltage constant-current power supply (21), and the electrical state detection circuit (23) and the high-voltage constant-current power supply (21) are connected with a controller (22); The high-voltage constant-current power supply (21) is used for providing power for the first linear conductive unit (11) and the second linear conductive unit (12), and the controller (22) regulates and controls the current of the high-voltage constant-current power supply (21) to be alternately output according to a set period so as to switch and output two currents for electric stimulation and for detecting electric signal change; The electrical state detection circuit (23) is used for acquiring the electrical signals of the first linear conductive unit (11) and the second linear conductive unit (12) and detecting the change of the electrical signals, and the controller (22) regulates the electrical state detection circuit (23) to be alternately started and stopped according to a set period; The electrical state detection circuit (23) transmits the detected electrical signal change information to the controller (22), and the controller (22) controls the high-voltage constant-current power supply (21) to output current to the first linear conductive unit (11) and the second linear conductive unit (12) based on the electrical signal change information so as to generate electrical stimulation.
2. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 1, characterized in that, The high-voltage constant-current power supply (21) is used as a power supply of the second linear conductive unit (12) and the first linear conductive unit (11), the current which is output by the high-voltage constant-current power supply (21) and used for detecting an electric signal is smaller than the current which is output by the high-voltage constant-current power supply (21) and used for electric stimulation, and the current which is generated by the high-voltage constant-current power supply (21) and used for electric stimulation can be adjusted.
3. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 1, characterized in that, The electrical state detection circuit (23) is used for detecting the resistance, voltage or current changes of the first linear conductive units (11) and the second linear conductive units (12) in different rows and columns respectively, positioning is performed according to the row information and the column information of the detected changes so as to judge whether the positioning position is touched or the contact state is changed, and the controller (22) regulates and controls the time for generating the electrical stimulation based on the monitoring result of the electrical state detection circuit (23).
4. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 1, characterized in that, The controller (22) is configured with one set of electronic switch arrays (24) corresponding to all rows of first linear conductive elements (11), and another set of electronic switch arrays (24) corresponding to all columns of second linear conductive elements (12); Each group of the electronic switch arrays (24) comprises a high voltage state, a grounding state and a high resistance state, and the two groups of the electronic switch arrays (24) selectively distribute three electric states of the high voltage state, the grounding state and the high resistance state on the second linear conductive unit (12) and the first linear conductive unit (11) which are different; the controller controls the stimulation position, the stimulation range and the stimulation combination of the layered grid structure (1) through the electronic switch array (24) so as to edit the electric stimulation area and the stimulation form.
5. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 1, characterized in that, The controller (22) is used for generating electric stimulation at different spatial positions of the layered grid structure (1) by continuously replacing the power supply combination mode of the second linear conductive unit (12) and the first linear conductive unit (11); The controller (22) generates the dynamic stimulation effect in a temporal state by controlling the sequence and duration of the electrical stimulation produced by the layered grid structure (1).
6. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 1, characterized in that, The outermost sides of the transverse edges and the outermost sides of the longitudinal edges of the layered grid structure (1) are respectively provided with the insulating linear units (13), so that the second linear conductive units (12) and the first linear conductive units (11) respectively form conductive lead-out structures which are respectively distinguished in direction at edge positions and are electrically isolated from each other.
7. An interactive touch-sensitive and electrostimulation output system for a conductive interface as claimed in claim 6, characterized in that, The conductive lead-out structures of the first linear conductive unit (11) and the second linear conductive unit (12) are packaged with the printed circuit board (3) through anisotropic conductive adhesive (4).
8. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 7, characterized in that, One group of the electronic switch arrays (24) is connected with all first linear conductive units (11) through the printed circuit board (3), and the other group of the electronic switch arrays (24) is connected with all second linear conductive units (12) through the printed circuit board (3) so as to adjust the quantity of the first linear conductive units (11) and the second linear conductive units (12) which are simultaneously powered.
9. An interactive touch-sensitive and electrostimulation output system for a conductive interface, as claimed in claim 1, characterized in that, The first linear conductive unit (11), the second linear conductive unit (12) and the insulating linear unit (13) are combined in a knitting or embroidering mode; -a plurality of said insulating linear units (13) and at least one said first linear conductive unit (11) are arranged in a longitudinal direction, and-a plurality of said insulating linear units (13) and at least one said second linear conductive unit (12) are woven alternately in a transversal direction with a plurality of said insulating linear units (13) and at least one said first linear conductive unit (11); The crossing positions of the first linear conductive element (11) and the second linear conductive element (12) are separated by the insulating linear element (13).
10. An interactive trigger sense and electrostimulation output system for electrode actuation as claimed in claim 1, characterized in that, The second linear conductive units (12) and the first linear conductive units (11) are respectively arranged at different braiding levels of the layered grid structure (1); within the same braiding level of the layered lattice structure (1), the second linear conductive elements (12) are spaced from the first linear conductive elements (11) by at least one insulating linear element (13) at a position close to the intersection to prevent electrical shorting in the planar direction; At different braiding levels of the layered lattice structure (1), the crossing overlapping positions of the second linear conductive elements (12) and the first linear conductive elements (11) are arranged at intervals by at least one insulating linear element (13) to prevent electrical shorting in the thickness direction.

Description

Interactive touch sensing and electric stimulation output system for conductive interface Technical Field The invention relates to the technical field of electrotactile modules, in particular to an interactive touch sensing and electric stimulation output system for a conductive interface. Background The electric stimulation technology can be applied to the fields of exploration of Functional Electric Stimulation (FES), electric stimulation touch sense, man-machine interaction and the like, and carries out current stimulation on a tested organism through electric stimulation signals of multiple channels, different strength, frequency, waveform and other parameters so as to realize exercise rehabilitation of muscles and joints of paraplegia and hemiplegic patients, simulate touch sense and feedback interaction of manipulator grip force sense to a human body in a virtual reality scene. To address this challenge, various types of conductive electrode driven soft touch interfaces have recently been developed, including dielectric elastomer actuators, electro-hydraulic soft actuators, ionic polymer-metal composites, and liquid crystal elastomers, and have the potential to develop next generation haptic feedback devices that offer several advantages, such as lightweight and compact designs, unconstrained activation and control, and distributed and localized actuation, but at the same time they typically require specialized manufacturing processes and non-conventional high voltage control electronics, thus being limited in application scope. Disclosure of Invention The invention aims to provide an interactive touch sensing and electric stimulation output system for a conductive interface, which is used for solving the technical problems that a conductive electrode driven soft touch interface in the prior art needs a special manufacturing process and an electronic device controlled by an unconventional high voltage, so that the application range is limited. In order to solve the technical problems, the invention specifically provides the following technical scheme: an interactive touch-sensitive and electrical stimulation output system for a conductive interface, comprising: The first linear conductive units, the second linear conductive units and the insulating linear units are alternately arranged to form a soft touch conductive layered grid structure, and the first linear conductive units and the second linear conductive units are not contacted with each other all the time by arranging the insulating linear units; Wherein the first linear conductive element and the second linear conductive element form a sensing element for transmitting an electrical signal, and the insulating linear unit is used for structural support and electrical isolation; The ends of the first linear conductive unit and the second linear conductive unit are connected with an electrical state detection circuit and a high-voltage constant-current power supply, and the electrical state detection circuit and the high-voltage constant-current power supply are connected with a controller; The high-voltage constant-current power supply is used for providing power for the first linear conductive unit and the second linear conductive unit, and the controller regulates and controls the current of the high-voltage constant-current power supply to be alternately output according to a set period so as to switch and output two currents for electric stimulation and for detecting electric signal change; The electric state detection circuit is used for acquiring the electric signals of the first linear conductive unit and the second linear conductive unit and detecting the change of the electric signals, and the controller regulates the electric state detection circuit to be alternately started and stopped according to a set period; The electrical state detection circuit transmits the detected electrical signal change information to the controller, and the controller controls the high-voltage constant-current power supply to output current to the first linear conductive unit and the second linear conductive unit based on the electrical signal change information so as to generate electric stimulation. As a preferable scheme of the invention, the high-voltage constant-current power supply is used as a power supply of the second linear conductive unit and the first linear conductive unit, the current output by the high-voltage constant-current power supply and used for detecting the electric signal is smaller than the current output by the high-voltage constant-current power supply and used for electric stimulation, and the current generated by the high-voltage constant-current power supply and used for electric stimulation can be adjusted. As a preferable mode of the invention, the electrical state detection circuit is used for detecting the resistance, voltage or current changes of the first linear conductive unit and the second linear conductive unit of di